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Earnings Per Share
12 Months Ended
Dec. 31, 2022
Earnings Per Share [Abstract]  
Earnings Per Share Earnings per Share
The following table presents the calculations of earnings per common share ("EPS") on a basic and diluted basis:

($ in thousands, except per share amounts)202220212020
Net income available to common stockholders:$215,686 394,484 246,355 
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic60,40760,18359,862
Effect of dilutive securities - stock compensation plans468484431
Weighted average common shares outstanding - diluted60,87560,66760,293
EPS:
Basic$3.57 6.55 4.12 
Diluted3.54 6.50 4.09